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Finding the Fourth Proportional to 335,579.36, 503,368.50 and 230,078.48

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Solution

The fourth proportional to 335,579.36, 503,368.50 and 230,078.48 is: 345,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,579.36 : 503,368.50 = 230,078.48 : x
  2. Step 2: Convert to fraction form
    335,579.36/503,368.50 = 230,078.48/x
  3. Step 3: Cross multiply
    335,579.36x = 503,368.50 × 230,078.48
  4. Step 4: Simplify right side
    335,579.36x = 115,814,259,359.88
  5. Step 5: Solve for x
    x = 115,814,259,359.88/335,579.36
  6. Step 6: Final answer
    x = 345,117.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.